I have an instance of TVirtualStringTree that formats text of a node in two different ways. The implementation is based on using toShowStaticText in the StringOptions as described in the accepted a...

I have set the the height of the FocusedNode using following code procedure TMainForm.SetheightClick(Sender: TObject); begin if Assigned(tree1.FocusedNode) then Tree1.NodeHeight[Tree1.FocusedNod...

I want to use a custom Hint window class for my entire application. I use the Application.OnShowHint, analyze the THintInfo, and return my own TMyHintWindow in the HintInfo.HintWindowClass. This w...

I have a component of type TVirtualStringTree (let us call it VST). It has nodes in the form of a list, i.e. all the nodes are at the same level. I want to change a focus after deleting a node (wit...

In a Delphi VCL project, I have created a simple TVirtualStringTree with two columns. The first column will contain text identifying the Name of the data being represented. The data record also con...

I have a need to fill in (with black) the little white square that I've highlighted in the picture below. I have tried adding extra columns. I have tried expanding the PaintInfo.PaintRectangle. I ...

I would like to highlight the text from a node of VirtualStringTree according to search criteria like example from bellow: Any suggestion please?

I am attempting to create a view in TVirtualStringTree which will be similar to something like this: In the above example I have shown some of the possible scenarios I want to reach. FolderA has...

It's easy to check that node is visible. But I don't know how to rightly define that node is presented on screen. I can find out only so: BottomNode := Tree.BottomNode; Node := Tree.TopNode; IdBo...

I have a VST with 3 columns that evenly take the available space. I have set hoAutoSpring in Header.Options, and all columns have Column[x].Option have coAutoSpring set. Now I want to be able to ...

Alright I got something really tricky here... I would like to DRAW/USE Headers to a ChildNode. I think the idea is reasonable because it would look amazing to have headers in subnodes so the childn...

I would like to select either all root nodes or all child nodes (not all nodes in a VirtualTreeView). I've tried to use this code to select all root nodes: procedure SelectAllRoots; var Node: PVi...

How can I use my own custom buttons (images) to replace the default [-]/[+] buttons in the VST? I want to use arrows instead (, ), but also to support RTL bidi mode (, ). edit: I am aware of the b...

I'm using VT.Background to display a background image in VT with a few columns. But I can't find a way to use different colors for cells because they hide the background image. I have tried to us...

I have an array holds data will be represented on TVirtualStringTree. This array is thread-safe and lockable. And grown by another thread. My problem is that, when VST executes OnMeasureItem event...

I have learned how to use TVirtualStringTree, and I've found it excellent. I have one custom non-visual list called PackedList which is filled by another thread. And I want to show all list content...

So, my end game here is to have a way to list items (like a TListView in vsReport) with the add/remove buttons inside the client area. Ex: |----------------| |Old Item 1 X | |Old Item 2 X | |Add ...

I am using Delphi2010 and trying to wrap my head around using VirtualStringTree. I've been trying to get it to work with objects and was having no luck until I followed Philipp Frenzel's Virtual T...

if I'm not mistaken it's not possible to have invisible nodes in a TVirtualStringTree treeview, as there are no enabled, visible or other properties to do so. Am I right about this? If yes, how di...

I'm converting a tree view from the standard TTreeView to use TVirtualStringTree. My final challenge is to implement a feature where I need to draw a 'pass/fail' status indicator on top of the know...